touche.I think they realized that they were going to sell exactly none of them as most people with a 10 speed cassette have figured out that 7 is less than 10 and no new drive-body would be required to subtract some gears. The same laws of subtraction can be applied to the old 9 speed stuff, and if there's anybody still running 8 speed, they can do it too.
The new fork pays for the brake recalls, and the new hub standard pays for the R&D on the 7 speed DH group.
they probably cost reduced the oil out of it right off the bat